Sony MDX-CA680 service manual Semiconductor Location

Page 29

4-6. PRINTED WIRING BOARDS – SERVO Section – • See page 28 for Circuit Boards Location.

1

2

3

4

5

 

 

 

6

 

7

8

 

 

SERVO BOARD

(COMPONENT SIDE)

 

 

 

 

 

 

 

 

A

 

 

 

Q301

 

 

 

R325

 

 

 

 

 

 

 

B C E

C311

R328

C310

C308

R320

 

9

10

11

12

13

SERVO BOARD (CONDUCTOR SIDE)

MDX-CA680/CA680X

14

15

OPTICAL

 

C339

C315

R330

R329

C314

R327

R324

 

 

 

 

 

 

 

 

 

 

 

PICK-UP BLOCK

1

32

 

 

 

75

 

51

 

C305

R319

C306

(KMS-241C)

 

 

 

 

76

 

 

 

50

 

IC303

 

 

 

 

 

 

R318

B

 

 

 

R331

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C307

 

1

26

C309

 

C317

C316

C351

C350

+

 

C333

C343

R353

IC301

5

22

C

 

CN102

 

 

20

1

Q302 C322

B C E

 

 

 

 

 

R349

R348

 

+

+

 

C319

C318

R336

C321

R337

 

R357

C320

R350

 

 

12

R356

R355

 

 

 

1

 

 

 

 

C331

 

16

 

C336

TP2 (SE)

TP3 (TE)

17

C349

C342

 

R352

R351

TP4 (FE)

R301

R302 R303

R304

100

1

IC3041

4

 

 

R306

 

 

 

R308

R305

 

 

 

R307

 

 

26

25

8

5

R354 R360

X301

R310 R312

C104

R317

R316

120

9

18

 

IC307

13

14

C362

 

 

C359

R362

R367

R335

R333

R334

R332

R359

13

48

C103

C353

D

IC302

C329

 

20

IC101

11

R102

10

11

 

C105

+ C102

C202 +

C345

C344 +

C511

E

 

 

R340

 

24

 

 

 

 

37

 

 

 

 

 

25

 

 

36

 

 

 

 

 

 

 

 

 

 

 

R338

 

 

 

 

 

 

 

 

C328

 

 

 

 

 

 

C325

C326

C327

C330

 

 

 

 

 

 

 

 

R342

R344

C324

 

 

 

C347

 

 

 

 

 

 

R346

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C346 +

 

L302

 

 

 

 

 

R529

 

R526

R528

R527

 

 

 

R505

R535

 

 

 

 

 

 

 

IC502

 

+

 

 

C109+

 

 

 

C107

L102

C108

L101

1

10

C106

 

 

 

 

 

 

 

R404

 

 

 

 

 

C402

 

R405

 

 

 

 

C403

 

Q401

E

 

 

 

 

C

 

 

 

 

 

R406

 

 

B

 

 

 

 

 

 

 

 

R104

R202

 

 

R101

R201

 

 

C101

C201

 

R402

R403

E

Q403

 

 

B C

 

B

 

 

L301

RB503

F

X501

R539

C516

C501

 

R504

 

24

 

R531

 

 

 

 

 

 

 

 

R503

 

R502

 

R501

1

1

CN101

 

R407

8

5

29

 

 

IC401

 

 

 

1

4

 

R401

 

 

Q402

C

 

E

 

 

 

 

 

 

C363

 

R361

 

 

 

 

 

 

R365

R540

R542

25

R532

80

TP1

2

D401

30A K C401

C510

Q303

IC305

 

 

 

B C E

 

 

 

 

5

4

L501

+

C505

 

 

 

 

 

8

1

 

C506

K

 

 

 

G

H

R506

R507

 

IC501

 

 

 

 

40

 

 

R511

41

64

 

 

 

R516

 

C10

 

 

R525

R524

R523

65R530 R522 R537

R518

1

11

R538

 

 

CN103

 

 

 

 

 

 

 

R517

MAIN BOARD

A

CN503

(Page 32)

C11

 

 

 

 

12

 

 

 

 

1-680-396-

(12)

D301

C352

 

A

C504

R534

 

R533

 

 

 

 

 

C515

C514

C513

R521

 

R520

 

R519

 

 

 

 

 

C503

 

TH501

 

 

 

 

 

R510

 

 

 

 

 

 

 

R512

 

12

1-680-396-

(12)

• Semiconductor

Location

I

M902

(SLED)

(LIMIT)

Ref. No.

Location

D301

G-9

D401

F-7

IC101

D-7

IC301

B-6

IC302

D-2

J

K

RED

M901

M

(SPINDLE)

BLK

M

SENSOR BOARD

 

 

(COMPONENT SIDE)

 

(CHUCKING DETECT)

11

1

 

 

BLK

RED

1-680-397-

 

 

 

 

 

 

 

 

 

 

M

M903

(LOADING)

12

(12)

SENSOR BOARD (CONDUCTOR SIDE)

LOADING

DETECT

12

1-680-397- (12)

IC303

B-4

IC304

C-6

IC305

G-10

IC307

B-10

IC401

F-7

IC501

G-3

IC502

D-6

Q301

A-5

Q302

C-1

Q303

F-9

Q401

E-7

Q402

F-9

Q403

E-9

29 29

Image 29
Contents MDX-CA680/CA680X SpecificationsDisassembly Table of Contents GeneralElectrical Adjustments Exploded ViewsSection General Location of controlsSetting the clock US model US model AEP, UK Models Precautions Toyota SUB Panel Assy Section DisassemblyDisassembly Flow Main Board Mechanism Deck MG-164MA-138Servo Board Heat SinkFloat Block MD Cover AssyLever LE23 Assy LO Motor Assy Loading M903Chucking ARM Assy Holder AssySL Motor Assy Sled M902, SP Motor Assy Spindle M901 Optical PICK-UP KMS-241CTuner Section Section Electrical AdjustmentsMD Section IC101 PCM1718E/2K Section DiagramsCXA2523AR IC305 BA6287F IC401 TDA7402TR IC505 BA8270F-E2 EFM/ACIRC ENCODER/DECODER Block Diagram Servo SectionFM/AM Tuner Unit Block Diagram Tuner Section23 a 23 B 24 F 24 E 24 H Block Diagram Main Section+B Switch Block Diagram BUS CONTROL/POWER Supply SectionSignal path Circuit Boards Location Semiconductor Location MDX-CA680/CA680X MDX-CA680/CA680X D558 D560 D601 D609 D610 D612 MDX-CA680/CA680X Schematic Diagram Main Board 2/3 See page 40 for Waveforms MDX-CA680/CA680X K1 S2 K2 Schematic Diagram SUB Board Printed Wiring Board KEY Board Schematic Diagram KEY Board See page 40 for Waveform KEY Board IC PIN Function Description XWE XrasMvci AsyoSfdr SrdrSprd SpfdVref XstbyVCC WbladjEject ResetDfctsel DpllselLinkoff ERROR-PWMUnireq UnickioNIL VSMKEYIN1 KEYIN0IIC CKO IIC SIOPW on ColswGeneral Section Section Exploded ViewsLCD901 Front Panel SectionMechanism Deck MG-164MA-138 156 158 157159 161KEY Section Electrical Parts ListSWITCH, KEY Board with LED List KEY Main SWITCH, Tactile with LED D-BASSMain Diode DTZ-TT11-16B Ref. No Description Remark R18 Short R21 216-825-11 Vibrator Main Sensor ServoInductor Chip Disc Slot Illumination CA680X Servo SUB503 501 502505 506 507Memo Revision History

MDX-CA680 specifications

The Sony MDX-CA680 is an advanced multi-disc car audio system that exemplifies Sony's commitment to delivering high-quality sound and innovative features. With its sleek design and user-friendly interface, it stands as a popular choice for audiophiles and casual listeners alike. This model supports both MD (MiniDisc) playback as well as traditional CD formats, providing exceptional versatility for music enthusiasts who prefer various media.

One of the standout features of the MDX-CA680 is its 40 watts maximum output per channel. This power allows for dynamic sound reproduction across a wide range of musical genres. By utilizing Sony's proprietary Dynamic Bass Enhancement technology, the system enriches low-frequency sounds, making them feel fuller and more immersive, perfect for bass-heavy tracks.

The MDX-CA680 is designed with user convenience in mind. Its rotary control knob and intuitive button layout facilitate easy navigation through tracks and settings, allowing drivers to focus on the road while effortlessly managing their audio experience. The system also boasts a detachable faceplate, a crucial security feature for preventing theft.

Another notable characteristic of the MDX-CA680 is its support for various audio formats. Besides MD and CD, the system can handle MP3s, enabling users to create and playback custom playlists with ease. The player’s compatibility with CD-R and CD-RW media also enhances its functionality, allowing users to enjoy burned discs filled with their favorite tunes.

The display on the MDX-CA680 is characterized by a clear and bright LCD screen that provides essential information at a glance. This includes track titles, elapsed time, and artist names, making it easy to follow along with your music. Additionally, the unit supports adjustable EQ settings, allowing users to personalize their audio experience to suit their preferences.

In terms of installation, the MDX-CA680 is designed to integrate seamlessly into various vehicle models, featuring a standard DIN size that fits most aftermarket dashboards. Overall, the Sony MDX-CA680 stands out in the realm of car audio systems, offering a blend of versatility, quality, and user-friendly features that enhance the driving experience, making every journey more enjoyable.